<?php

/**
 * 产品角色类  产品为鸟类
 * User: huy
 * Date: 2017/3/21
 * Time: 20:27
 */
class Bird{
    public $_head;
    public $_wing;
    public $_foot;

    function show(){
        echo "头:" . $this->_head . "<br/>";
        echo "翅膀:" . $this->_wing . "<br/>";
        echo "脚:" . $this->_foot;
    }
}
